|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* Copyright 2017 American Express Travel Related Services Company, Inc. |
|
5
|
|
|
* |
|
6
|
|
|
* Licensed under the Apache License, Version 2.0 (the "License"); |
|
7
|
|
|
* you may not use this file except in compliance with the License. |
|
8
|
|
|
* You may obtain a copy of the License at |
|
9
|
|
|
* |
|
10
|
|
|
* http://www.apache.org/licenses/LICENSE-2.0 |
|
11
|
|
|
* |
|
12
|
|
|
* Unless required by applicable law or agreed to in writing, software |
|
13
|
|
|
* distributed under the License is distributed on an "AS IS" BASIS, |
|
14
|
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
|
15
|
|
|
* or implied. See the License for the specific language governing |
|
16
|
|
|
* permissions and limitations under the License. |
|
17
|
|
|
*/ |
|
18
|
|
|
|
|
19
|
|
|
declare(strict_types=1); |
|
20
|
|
|
|
|
21
|
|
|
namespace AmericanExpress\HyperledgerFabricClient\Header; |
|
22
|
|
|
|
|
23
|
|
|
use AmericanExpress\HyperledgerFabricClient\ProtoFactory\HeaderFactory; |
|
24
|
|
|
use AmericanExpress\HyperledgerFabricClient\ProtoFactory\SignatureHeaderFactory; |
|
25
|
|
|
use AmericanExpress\HyperledgerFabricClient\Transaction\TransactionIdentifier; |
|
26
|
|
|
use AmericanExpress\HyperledgerFabricClient\Transaction\TransactionIdentifierGeneratorInterface; |
|
27
|
|
|
use Hyperledger\Fabric\Protos\Common\ChannelHeader; |
|
28
|
|
|
use Hyperledger\Fabric\Protos\Common\Header; |
|
29
|
|
|
use Hyperledger\Fabric\Protos\Common\SignatureHeader; |
|
30
|
|
|
use Hyperledger\Fabric\Protos\MSP\SerializedIdentity; |
|
31
|
|
|
|
|
32
|
|
|
final class HeaderGenerator implements HeaderGeneratorInterface |
|
33
|
|
|
{ |
|
34
|
|
|
/** |
|
35
|
|
|
* @var TransactionIdentifierGeneratorInterface |
|
36
|
|
|
*/ |
|
37
|
|
|
private $transactionIdentifierGenerator; |
|
38
|
|
|
|
|
39
|
|
|
/** |
|
40
|
|
|
* @var int |
|
41
|
|
|
*/ |
|
42
|
|
|
private $epoch; |
|
43
|
|
|
|
|
44
|
|
|
/** |
|
45
|
|
|
* HeaderGenerator constructor. |
|
46
|
|
|
* @param TransactionIdentifierGeneratorInterface $transactionIdentifierGenerator |
|
47
|
|
|
* @param int $epoch |
|
48
|
|
|
*/ |
|
49
|
5 |
|
public function __construct(TransactionIdentifierGeneratorInterface $transactionIdentifierGenerator, $epoch = 0) |
|
50
|
|
|
{ |
|
51
|
5 |
|
$this->transactionIdentifierGenerator = $transactionIdentifierGenerator; |
|
52
|
5 |
|
$this->epoch = $epoch; |
|
53
|
5 |
|
} |
|
54
|
|
|
|
|
55
|
|
|
/** |
|
56
|
|
|
* @param SerializedIdentity $identity |
|
57
|
|
|
* @param TransactionIdentifier $transactionIdentifier |
|
58
|
|
|
* @return SignatureHeader |
|
59
|
|
|
*/ |
|
60
|
5 |
|
private function generateSignatureHeader( |
|
61
|
|
|
SerializedIdentity $identity, |
|
62
|
|
|
TransactionIdentifier $transactionIdentifier |
|
63
|
|
|
): SignatureHeader { |
|
64
|
5 |
|
return SignatureHeaderFactory::create( |
|
65
|
5 |
|
$identity, |
|
66
|
5 |
|
$transactionIdentifier->getNonce() |
|
67
|
|
|
); |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
|
|
/** |
|
71
|
|
|
* @param SerializedIdentity $identity |
|
72
|
|
|
* @param ChannelHeader $channelHeader |
|
73
|
|
|
* @return Header |
|
74
|
|
|
*/ |
|
75
|
5 |
|
public function fromChannelHeader(SerializedIdentity $identity, ChannelHeader $channelHeader): Header |
|
76
|
|
|
{ |
|
77
|
5 |
|
$transactionId = $this->transactionIdentifierGenerator->fromSerializedIdentity($identity); |
|
78
|
5 |
|
$channelHeader->setTxId($transactionId->getId()); |
|
79
|
5 |
|
$channelHeader->setEpoch($this->epoch); |
|
80
|
5 |
|
return HeaderFactory::create($this->generateSignatureHeader($identity, $transactionId), $channelHeader); |
|
81
|
|
|
} |
|
82
|
|
|
} |
|
83
|
|
|
|
americanexpress /
hyperledger-fabric-sdk-php
